./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:04:46,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:46,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:46,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:46,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:46,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:46,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:46,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:46,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:46,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:46,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:46,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:46,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:46,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:46,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:46,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:46,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:46,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:46,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:46,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:46,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:46,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:46,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:46,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:46,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:46,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:46,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:46,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:46,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:46,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:46,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:46,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:46,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:46,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:46,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:46,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:46,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:46,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:46,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:46,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:46,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:46,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 21:04:46,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:46,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:46,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:46,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:46,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:46,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:46,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:04:46,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:46,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:46,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:46,482 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 21:04:46,482 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 21:04:46,482 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 21:04:46,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:46,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:46,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:46,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:46,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:46,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:46,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:46,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:46,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:46,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:46,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:46,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a [2021-11-13 21:04:46,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:46,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:46,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:46,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:46,829 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:46,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-11-13 21:04:46,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/data/26995469d/e10d9d2e81da421bb0ead3a095a59540/FLAG5ad4064b8 [2021-11-13 21:04:47,575 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:04:47,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-11-13 21:04:47,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/data/26995469d/e10d9d2e81da421bb0ead3a095a59540/FLAG5ad4064b8 [2021-11-13 21:04:47,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/data/26995469d/e10d9d2e81da421bb0ead3a095a59540 [2021-11-13 21:04:47,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:04:47,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:04:47,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:47,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:04:47,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:04:47,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:47" (1/1) ... [2021-11-13 21:04:47,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b90ef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:47, skipping insertion in model container [2021-11-13 21:04:47,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:47" (1/1) ... [2021-11-13 21:04:47,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:04:47,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:04:48,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:04:48,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,390 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:04:48,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48 WrapperNode [2021-11-13 21:04:48,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:48,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:04:48,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:04:48,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:04:48,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:04:48,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:04:48,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:04:48,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:04:48,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:04:48,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:04:48,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213de6a1-4dfd-4424-b8e9-4b5501b03de1/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:04:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:04:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:04:49,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:04:49,122 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 21:04:49,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:49 BoogieIcfgContainer [2021-11-13 21:04:49,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:04:49,129 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:04:49,129 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:04:49,140 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:04:49,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:49" (1/1) ... [2021-11-13 21:04:49,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:04:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-11-13 21:04:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-13 21:04:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:04:49,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:49,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-13 21:04:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-13 21:04:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:04:49,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2021-11-13 21:04:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2021-11-13 21:04:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:04:49,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2021-11-13 21:04:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-11-13 21:04:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:04:50,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2021-11-13 21:04:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-11-13 21:04:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:04:50,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2021-11-13 21:04:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2021-11-13 21:04:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:04:50,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2021-11-13 21:04:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2021-11-13 21:04:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:51,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:51,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2021-11-13 21:04:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2021-11-13 21:04:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:52,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:52,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2021-11-13 21:04:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2021-11-13 21:04:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:52,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:52,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:53,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2021-11-13 21:04:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2021-11-13 21:04:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:53,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:53,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2021-11-13 21:04:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-13 21:04:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:54,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:54,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2021-11-13 21:04:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2021-11-13 21:04:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:54,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:54,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:04:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2021-11-13 21:04:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2021-11-13 21:04:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:55,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:55,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:04:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2021-11-13 21:04:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2021-11-13 21:04:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:55,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:55,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2021-11-13 21:04:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2021-11-13 21:04:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:04:55,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:55,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:04:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2021-11-13 21:04:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2021-11-13 21:04:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:04:56,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:56,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:04:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2021-11-13 21:04:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2021-11-13 21:04:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:04:56,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:56,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2021-11-13 21:04:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2021-11-13 21:04:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:04:57,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:57,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2021-11-13 21:04:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2021-11-13 21:04:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:04:58,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:58,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2021-11-13 21:04:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-11-13 21:04:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:04:58,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:58,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:04:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-13 21:04:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-13 21:04:58,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:04:58,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:58,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:00,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2021-11-13 21:05:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2021-11-13 21:05:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:05:00,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:00,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:05:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2021-11-13 21:05:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2021-11-13 21:05:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:05:00,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:00,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2021-11-13 21:05:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2021-11-13 21:05:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:05:01,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:01,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2021-11-13 21:05:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2021-11-13 21:05:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:05:02,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2021-11-13 21:05:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2021-11-13 21:05:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:05:05,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2021-11-13 21:05:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2021-11-13 21:05:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:05:06,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2021-11-13 21:05:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2021-11-13 21:05:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:05:09,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:09,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:10,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2021-11-13 21:05:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2021-11-13 21:05:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:05:10,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:10,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 66 states and 108 transitions. [2021-11-13 21:05:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2021-11-13 21:05:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:05:11,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:11,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:05:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2021-11-13 21:05:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2021-11-13 21:05:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:05:12,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:12,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 71 states and 117 transitions. [2021-11-13 21:05:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 117 transitions. [2021-11-13 21:05:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:05:16,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:16,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2021-11-13 21:05:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2021-11-13 21:05:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:05:18,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:05:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 72 states and 121 transitions. [2021-11-13 21:05:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 121 transitions. [2021-11-13 21:05:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:05:20,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:20,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2021-11-13 21:05:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2021-11-13 21:05:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:05:20,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:20,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:05:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2021-11-13 21:05:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2021-11-13 21:05:24,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:05:24,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:24,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-11-13 21:05:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-11-13 21:05:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:05:24,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:24,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:05:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2021-11-13 21:05:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2021-11-13 21:05:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:05:26,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:26,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 80 states and 132 transitions. [2021-11-13 21:05:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2021-11-13 21:05:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:05:27,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:27,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:05:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2021-11-13 21:05:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2021-11-13 21:05:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:05:30,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:30,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2021-11-13 21:05:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2021-11-13 21:05:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:05:33,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:33,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 87 states and 146 transitions. [2021-11-13 21:05:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2021-11-13 21:05:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:05:38,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:38,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:05:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 139 transitions. [2021-11-13 21:05:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 139 transitions. [2021-11-13 21:05:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:05:39,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:39,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 91 states and 156 transitions. [2021-11-13 21:05:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 156 transitions. [2021-11-13 21:05:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:05:46,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:46,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 104 states and 184 transitions. [2021-11-13 21:05:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 184 transitions. [2021-11-13 21:05:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:05:56,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:56,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2021-11-13 21:06:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-13 21:06:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:06,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:06,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 125 states and 232 transitions. [2021-11-13 21:06:22,706 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 232 transitions. [2021-11-13 21:06:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:22,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 129 states and 239 transitions. [2021-11-13 21:06:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 239 transitions. [2021-11-13 21:06:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:29,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:29,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 130 states and 242 transitions. [2021-11-13 21:06:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 242 transitions. [2021-11-13 21:06:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:32,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:32,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 138 states and 254 transitions. [2021-11-13 21:06:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 254 transitions. [2021-11-13 21:06:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:44,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 138 states and 253 transitions. [2021-11-13 21:06:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2021-11-13 21:06:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:46,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:46,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 139 states and 256 transitions. [2021-11-13 21:06:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 256 transitions. [2021-11-13 21:06:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:06:47,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:47,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:07:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 147 states and 274 transitions. [2021-11-13 21:07:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 274 transitions. [2021-11-13 21:07:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:00,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:00,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 157 states and 306 transitions. [2021-11-13 21:07:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 306 transitions. [2021-11-13 21:07:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:16,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:16,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:07:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 161 states and 322 transitions. [2021-11-13 21:07:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 322 transitions. [2021-11-13 21:07:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:22,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:22,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 161 states and 320 transitions. [2021-11-13 21:07:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 320 transitions. [2021-11-13 21:07:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:24,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:24,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:07:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 169 states and 342 transitions. [2021-11-13 21:07:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 342 transitions. [2021-11-13 21:07:37,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:37,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:37,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:07:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 171 states and 345 transitions. [2021-11-13 21:07:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 345 transitions. [2021-11-13 21:07:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:40,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:40,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 177 states and 364 transitions. [2021-11-13 21:07:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 364 transitions. [2021-11-13 21:07:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:56,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:56,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:08:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 174 states and 360 transitions. [2021-11-13 21:08:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 360 transitions. [2021-11-13 21:08:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:08:00,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:00,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 182 states and 384 transitions. [2021-11-13 21:08:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 384 transitions. [2021-11-13 21:08:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:08:22,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:22,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 182 states and 383 transitions. [2021-11-13 21:08:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 383 transitions. [2021-11-13 21:08:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:08:25,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:25,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:08:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 191 states and 408 transitions. [2021-11-13 21:08:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 408 transitions. [2021-11-13 21:08:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:08:41,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:41,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:08:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 195 states and 418 transitions. [2021-11-13 21:08:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 418 transitions. [2021-11-13 21:08:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:08:51,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:51,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 197 states and 421 transitions. [2021-11-13 21:08:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 421 transitions. [2021-11-13 21:08:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:08:56,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:56,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 198 states and 423 transitions. [2021-11-13 21:08:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 423 transitions. [2021-11-13 21:08:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:08:59,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:59,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 201 states and 428 transitions. [2021-11-13 21:09:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 428 transitions. [2021-11-13 21:09:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:09:08,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:08,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:09:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 203 states and 431 transitions. [2021-11-13 21:09:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 431 transitions. [2021-11-13 21:09:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:09:11,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:11,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:09:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 212 states and 449 transitions. [2021-11-13 21:09:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 449 transitions. [2021-11-13 21:09:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:09:29,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:29,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:09:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 217 states and 459 transitions. [2021-11-13 21:09:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 459 transitions. [2021-11-13 21:09:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:09:38,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:38,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 217 states and 458 transitions. [2021-11-13 21:09:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 458 transitions. [2021-11-13 21:09:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:09:46,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:46,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:09:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 219 states and 461 transitions. [2021-11-13 21:09:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 461 transitions. [2021-11-13 21:09:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:09:51,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:51,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:10:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 225 states and 480 transitions. [2021-11-13 21:10:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 480 transitions. [2021-11-13 21:10:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:10:02,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:02,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:10:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 227 states and 482 transitions. [2021-11-13 21:10:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 482 transitions. [2021-11-13 21:10:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:10:10,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:10,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:10:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 229 states and 485 transitions. [2021-11-13 21:10:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 485 transitions. [2021-11-13 21:10:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:10:17,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:17,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:10:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 231 states and 490 transitions. [2021-11-13 21:10:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 490 transitions. [2021-11-13 21:10:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:10:21,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:21,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:10:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 231 states and 489 transitions. [2021-11-13 21:10:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 489 transitions. [2021-11-13 21:10:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:10:23,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:23,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:10:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 236 states and 516 transitions. [2021-11-13 21:10:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 516 transitions. [2021-11-13 21:10:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:10:38,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:38,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:10:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 240 states and 527 transitions. [2021-11-13 21:10:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 527 transitions. [2021-11-13 21:10:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:10:52,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:52,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:11:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 242 states and 538 transitions. [2021-11-13 21:11:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 538 transitions. [2021-11-13 21:11:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:11:01,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:01,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 244 states and 542 transitions. [2021-11-13 21:11:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 542 transitions. [2021-11-13 21:11:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:11:07,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:07,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:54,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 258 states and 575 transitions. [2021-11-13 21:11:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 575 transitions. [2021-11-13 21:11:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:11:54,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:54,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:12:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 263 states and 594 transitions. [2021-11-13 21:12:05,126 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 594 transitions. [2021-11-13 21:12:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:05,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:05,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:12:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 265 states and 597 transitions. [2021-11-13 21:12:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 597 transitions. [2021-11-13 21:12:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:11,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:11,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:12:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 269 states and 608 transitions. [2021-11-13 21:12:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 608 transitions. [2021-11-13 21:12:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:19,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:19,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:12:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 272 states and 624 transitions. [2021-11-13 21:12:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 624 transitions. [2021-11-13 21:12:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:26,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:26,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:12:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 274 states and 626 transitions. [2021-11-13 21:12:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 626 transitions. [2021-11-13 21:12:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:31,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:31,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:12:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 276 states and 640 transitions. [2021-11-13 21:12:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 640 transitions. [2021-11-13 21:12:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:39,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:39,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:12:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 282 states and 666 transitions. [2021-11-13 21:12:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 666 transitions. [2021-11-13 21:12:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:12:58,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:58,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:13:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 283 states and 668 transitions. [2021-11-13 21:13:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 668 transitions. [2021-11-13 21:13:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:01,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:01,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:13:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 285 states and 673 transitions. [2021-11-13 21:13:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 673 transitions. [2021-11-13 21:13:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:10,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:10,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:13:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 285 states and 671 transitions. [2021-11-13 21:13:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 671 transitions. [2021-11-13 21:13:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:21,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:21,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:13:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:27,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 288 states and 674 transitions. [2021-11-13 21:13:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 674 transitions. [2021-11-13 21:13:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:27,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:27,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:13:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 290 states and 677 transitions. [2021-11-13 21:13:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 677 transitions. [2021-11-13 21:13:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:36,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:36,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:13:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 291 states and 682 transitions. [2021-11-13 21:13:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 682 transitions. [2021-11-13 21:13:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:39,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:39,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:13:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 294 states and 689 transitions. [2021-11-13 21:13:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 689 transitions. [2021-11-13 21:13:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:46,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:46,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:13:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 296 states and 695 transitions. [2021-11-13 21:13:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 695 transitions. [2021-11-13 21:13:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:13:51,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:51,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:14:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 302 states and 709 transitions. [2021-11-13 21:14:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 709 transitions. [2021-11-13 21:14:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:14:08,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:08,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:14:27,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 306 states and 721 transitions. [2021-11-13 21:14:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 721 transitions. [2021-11-13 21:14:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:14:27,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:27,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:14:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 308 states and 725 transitions. [2021-11-13 21:14:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 725 transitions. [2021-11-13 21:14:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:14:33,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:33,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:14:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 308 states and 724 transitions. [2021-11-13 21:14:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 724 transitions. [2021-11-13 21:14:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:14:36,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:36,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:14:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 310 states and 728 transitions. [2021-11-13 21:14:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 728 transitions. [2021-11-13 21:14:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:14:43,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:43,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:15:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 318 states and 758 transitions. [2021-11-13 21:15:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 758 transitions. [2021-11-13 21:15:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:15:33,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:33,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 21:15:43,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 320 states and 763 transitions. [2021-11-13 21:15:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 763 transitions. [2021-11-13 21:15:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:15:43,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:43,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:16:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 327 states and 779 transitions. [2021-11-13 21:16:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 779 transitions. [2021-11-13 21:16:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:16:05,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:05,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:16:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 327 states and 777 transitions. [2021-11-13 21:16:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 777 transitions. [2021-11-13 21:16:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:16:17,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:17,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.